Constantine (2014)

S1E1 Non Est Asylum

After losing Astra, a 9-year-old girl, to the demon Nergal, Constantine voluntarily admits himself into Ravenscar Asylum, haunted by the loss of her soul and his own. Six months pass, and he struggles to regain his focus until a sinister spirit delivers a chilling warning. This revelation sparks a new purpose for John, who sets out to rescue a friend's daughter from the clutches of a demonic foe determined to claim her.